Our owners have been servicing and installing HVAC (Heating, Ventilating, and Air Conditioning) systems in San Diego County since 1978. In 1983 Landmark Mechanical was established. Over the years Landmark Mechanical has built a reputation on trust, responsive professional service, attention to detail, competitive pricing, and an unparalleled history for quality. Our expertise includes forced air and heat pump systems of all sizes as well as central and individual air conditioning systems.